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Former Member

Operation Modes in SAP

Hi All,

We have 4 different operation Modes in our SAP system. As we know number of batch work processes are influenced by the operation mode. In Redwood help it says

The external job scheduler needs to take into account that when the operation mode changes, the number of jobs that can be effectively scheduled at the same time also changes. The best way to make sure this happens in a coherent way is to let the external job scheduler handle the operation mode.

Now I want to know how this can be achieved in Cronacle. Also one Cronalce expert suggested me to keep the operation mode as it is in SAP.

The way only I can think of altering the queue size according to operation mode so as to reduce the number of batch jobs getting feed to SAP. If this is only way I want to know how to achieve this dynamically. Got to know of some procedure with name setExecutionSize. But not sure on how to use the same.

Thanks a lot.

Best regards,

Vithal

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    author's profile photo Former Member
    Former Member
    Posted on Jan 30, 2008 at 04:03 PM

    Hi Vithal,

    There are many options, I'll describe a few.

    1. leave operation modes in SAP as is, and mimic them on queues in Redwood (by dynamically changing the queue size on the switch time, see alter_queue in the documentation)

    2. SAP systems tend to have less and less operation modes, due to users operating in different time zones effectively eliminating batch windows; then Redwood queues can be dynamically altered based on perfomance metrics such as CPU load, dialog response time, time of the day, day in the month (monthly close => more resources for finance team) etc.

    3. Extending on 2., instead of operation modes sometimes adaptive computing is used; Redwood can be used to determine that the application needs more resource (batch, dialog, etc.) and can then interact with the SAP Adaptive Computing Controller to add resources to the application that needs it automatically. Resources can also be freed automatically.

    Regards,

    Anton Goselink.

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